Yu Shu Xin (English name: Esther Yu) is a Chinese singer and actress. Born on December 18, 1995, she made her acting debut in the 2016 television drama “Border Town Prodigal.” She also has appeared in the dramas “The Advisors Alliance” (2017), “Youth” (2018), and “My Amazing Boyfriend 2” (2018). She gained popularity and recognition with her role as Cai Min Min in the hit romance drama "Find Yourself". In the variety program "Youth With You 2", where she became immensely popular due to her bubbly personality, she ranked 2nd and became part of the Chinese girl group THE9. In 2021, she was the youth tutor for "Youth With You 3".